Discover how to run Facebook Ads on limited budget 2025 with a framework built for lean operators and bootstrapped brands. Small budgets don't mean small results when you apply structured testing discipline and allocation strategy. The article walks through budget segmentation across audiences, dynamic creative optimization, and frequency capping techniques that prevent waste on underperforming placements. You'll learn when to pause unprofitable ad sets within 48 hours, how to identify winning audience segments before scaling, and which metrics matter most when every dollar must defend itself. Campaign managers and in-house marketers running sub-$500 daily spend will find immediate tactical wins, while scaling principles apply equally to agencies managing multiple client accounts. Master these constraints early and your efficiency gains compound as budgets grow.